Door Position Switch Vs Door Contact. Monitors door for door open too long alarms. When an alarm panel is connected to a door position switch dps that switch is a dry contact because it is not a source of power. The 1078 1076 series steel door contacts are designed specifically for use in the steel doors commonly found in commercial building applications.
There are 40 standards that must be met to achieve listing to ul 634 which covers basic contacts including balanced magnetic switches defined by ul 634 section 3 glossary as. Both components require drilling a 3 4 19mm diameter hole in the door and frame directly opposite one another.
Whether a separate contact or an output from the locking device door position devices are typically installed on each access controlled door.
The dps is dry the power source is the sensing input. For instance configure the device to. The 1078 1076 series steel door contacts are designed specifically for use in the steel doors commonly found in commercial building applications. The contact can be normally open or closed.